Periodic variations in efficiency as shown in mental and physical tests
Subtitle: together with some weather effects
By: by Archibald G. Peaks.
Series: Educational psychology monographs, No. 23
Publisher: Warwick [and] York
Published: 1921
Place of publication: Baltimore
Language: eng
Number of pages: 95
Subjects: Mental tests; Psychology, Experimental and physiological; Weather -- Mental and physiological effects